1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __PSTORE_INTERNAL_H__
 3#define __PSTORE_INTERNAL_H__
 4
 5#include <linux/types.h>
 6#include <linux/time.h>
 7#include <linux/pstore.h>
 8
 9#define PSTORE_DEFAULT_KMSG_BYTES 10240
10extern unsigned long kmsg_bytes;
11
12#ifdef CONFIG_PSTORE_FTRACE
13extern void pstore_register_ftrace(void);
14extern void pstore_unregister_ftrace(void);
15#else
16static inline void pstore_register_ftrace(void) {}
17static inline void pstore_unregister_ftrace(void) {}
18#endif
19
20#ifdef CONFIG_PSTORE_PMSG
21extern void pstore_register_pmsg(void);
22extern void pstore_unregister_pmsg(void);
23#else
24static inline void pstore_register_pmsg(void) {}
25static inline void pstore_unregister_pmsg(void) {}
26#endif
27
28extern struct pstore_info *psinfo;
29
30extern void	pstore_set_kmsg_bytes(int);
31extern void	pstore_get_records(int);
32extern void	pstore_get_backend_records(struct pstore_info *psi,
33					   struct dentry *root, int quiet);
34extern int	pstore_mkfile(struct dentry *root,
35			      struct pstore_record *record);
36extern bool	pstore_is_mounted(void);
37extern void	pstore_record_init(struct pstore_record *record,
38				   struct pstore_info *psi);
39
40/* Called during pstore init/exit. */
41int __init	pstore_init_fs(void);
42void __exit	pstore_exit_fs(void);
43
44#endif

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1extern void	pstore_set_kmsg_bytes(int);
2extern void	pstore_get_records(void);
3extern int	pstore_mkfile(enum pstore_type_id, char *psname, u64 id,
4			      char *data, size_t size,
5			      struct timespec time, struct pstore_info *psi);
6extern int	pstore_is_mounted(void);